Model is ready for 3D Printing and prototyping on CNC. Geometry is healed, and fixed all the bad with RP Magics software round cabochon 20mm; oval cabochon 25x18mmApproximate metal weight (for ring with round cabochon/oval cabochon): gold 14k – 8.28/9.53 grams; gold 18k – 9.91/11.4 grams; silver 925 Sterling – 6.66/7.66 grams. Model volume : 642.9/739.7cubic mm. You can check out my other products by clicking on the author name s.kim_jewelry_design. Any questions? Please contact me. instagram @s.kim_jewelry_design email skimjewelrydesign@gmail.com facebook s.kim_jewelry_design youtube SKIM Jewelry Designhttps://www.cgtrader.com/skim-jewelry-designThank you!